/**
?*?Orthanc?-?A?Lightweight?RESTful?DICOM?Store
?*?Copyright?（C）?2012-2016?Sebastien?Jodogne?Medical?Physics
?*?Department?University?Hospital?of?Liege?Belgium
?*?Copyright?（C）?2017-2019?Osimis?S.A.?Belgium
?*
?*?This?program?is?free?software:?you?can?redistribute?it?and/or
?*?modify?it?under?the?terms?of?the?GNU?General?Public?License?as
?*?published?by?the?Free?Software?Foundation?either?version?3?of?the
?*?License?or?（at?your?option）?any?later?version.
?*
?*?In?addition?as?a?special?exception?the?copyright?holders?of?this
?*?program?give?permission?to?link?the?code?of?its?release?with?the
?*?OpenSSL?project‘s?“OpenSSL“?library?（or?with?modified?versions?of?it
?*?that?use?the?same?license?as?the?“OpenSSL“?library）?and?distribute
?*?the?linked?executables.?You?must?obey?the?GNU?General?Public?License
?*?in?all?respects?for?all?of?the?code?used?other?than?“OpenSSL“.?If?you
?*?modify?file（s）?with?this?exception?you?may?extend?this?exception?to
?*?your?version?of?the?file（s）?but?you?are?not?obligated?to?do?so.?If
?*?you?do?not?wish?to?do?so?delete?this?exception?statement?from?your
?*?version.?If?you?delete?this?exception?statement?from?all?source?files
?*?in?the?program?then?also?delete?it?here.
?*?
?*?This?program?is?distributed?in?the?hope?that?it?will?be?useful?but
?*?WITHOUT?ANY?WARRANTY;?without?even?the?implied?warranty?of
?*?MERCHANTABILITY?or?FITNESS?FOR?A?PARTICULAR?PURPOSE.?See?the?GNU
?*?General?Public?License?for?more?details.
?*
?*?You?should?have?received?a?copy?of?the?GNU?General?Public?License
?*?along?with?this?program.?If?not?see?.
?**/


#include?“PrecompiledHeaders.h“
#include?“ChunkedBuffer.h“

#include?
#include?


namespace?Orthanc
{
??void?ChunkedBuffer::Clear（）
??{
????numBytes_?=?0;

????for?（Chunks::iterator?it?=?chunks_.begin（）;?
?????????it?!=?chunks_.end（）;?++it）
????{
??????delete?*it;
????}
??}


??void?ChunkedBuffer::AddChunk（const?void*?chunkData
???????????????????????????????size_t?chunkSize）
??{
????if?（chunkSize?==?0）
????{
??????return;
????}
????else
????{
??????assert（chunkData?!=?NULL）;
??????chunks_.push_back（new?std::string（reinterpret_cast（chunkData）?chunkSize））;
??????numBytes_?+=?chunkSize;
????}
??}


??void?ChunkedBuffer::AddChunk（const?std::string&?chunk）
??{
????if?（chunk.size（）?>?0）
????{
??????AddChunk（&chunk[0]?chunk.size（））;
????}
??}


??void?ChunkedBuffer::AddChunkDestructive（std::string&?chunk）
??{
????size_t?chunkSize?=?chunk.size（）;
????
????if?（chunkSize?>?0）
????{
??????chunks_.push_back（new?std::string）;
??????chunks_.back（）->swap（chunk）;
??????numBytes_?+=?chunkSize;
????}
??}


??void?ChunkedBuffer::Flatten（std::string&?result）
??{
????result.resize（numBytes_）;

????size_t?pos?=?0;
????for?（Chunks::iterator?it?=?chunks_.begin（）;?
?????????it?!=?chunks_.end（）;?++it）
????{
??????assert（*it?!=?NULL）;

??????size_t?s?=?（*it）->size（）;
??????if?（s?!=?0）
??????{
????????memcpy（&result[pos]?（*it）->c_str（）?s